component
BLM31KN102SZ1L
Public Made by Adomby adom
Murata Electronics Ferrite Beads, 1206. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownBLM31KN102SZ1L
Murata Electronics · Ferrite Beads · 1206
BLM31KN102SZ1L from Murata Electronics, in a 1206. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1 | passive | Terminal 1 of an unpolarised inductor or ferrite bead; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised inductor or ferrite bead; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Murata Electronics |
| Package | 1206 |
| Category | Filters |
| Pins | 2 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Impedance tolerance (at 100MHz) | -25 | 25 | % | 1 | |||
| DC resistance (initial values) | 0.075 | Ω | Initial values; DC Resistance (Ω max.) | 1 | |||
| DC resistance (after testing) | 0.09 | Ω | Values after testing; DC Resistance (Ω max.) | 1 | |||
| Rated current | 2000 | mA | at 85°C (Note1) | 1 | |||
| Rated current | 1400 | mA | at 125°C (Note1, derated) | 1 | |||
| Operating temperature | -55 | 125 | °C | 1 | |||
| Storage temperature | -55 | 125 | °C | 1 | |||
| Impedance change (Table A after testing) | -50 | 50 | % | at 100MHz; after testing, Table A | 2 | ||
| Impedance change (Table B after testing) | -30 | 30 | % | at 100MHz; after testing, Table B | 3 | ||
| Impedance | 1000 | Ω | at 100MHz, under standard testing condition | 1 |
CAD (KiCad official)
- Symbol:
BLM31KN102SZ1L - Footprint:
Inductor_SMD:L_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
blm31kn102sz1l-etched.step/blm31kn102sz1l-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);blm31kn102sz1l.step/blm31kn102sz1l.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Murata Electronics datasheet (9 pp, sha256
f47c8f2380bd025e, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).